Finding the Fourth Proportional to 1,687,182.48, 2,531,502.80 and 907,283.75
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Solution
The fourth proportional to 1,687,182.48, 2,531,502.80 and 907,283.75 is: 1,361,317.68
Step by Step Solution
- Step 1: Write the proportion equation
1,687,182.48 : 2,531,502.80 = 907,283.75 : x - Step 2: Convert to fraction form
1,687,182.48/2,531,502.80 = 907,283.75/x - Step 3: Cross multiply
1,687,182.48x = 2,531,502.80 × 907,283.75 - Step 4: Simplify right side
1,687,182.48x = 2,296,791,336,325.57 - Step 5: Solve for x
x = 2,296,791,336,325.57/1,687,182.48 - Step 6: Final answer
x = 1,361,317.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.